Abstract: A polymer film including a first portion and a second portion laminated with the first portion. Each portion independently consists of one or more layers. The first and second layers each independently have a melt index ranging from 3.5 g/10 min to 10.0 g/10 min, and lower than 3.5 g/10 min, respectively. Each layer of the first portion independently has a product of its melt index and a thickness ratio of its thickness to the total thickness of the first and second portions, such that the sum of the product of each layer of the first portion ranges from 0.39 g/10 min to 2.50 g/10 min. Each layer of the second portion independently has a product of its melt index and a thickness ratio of its thickness to the total thickness of the first and second portions, such that the sum of the product of each layer of the second portion ranges from 1.10 g/10 min to 2.95 g/10 min.

Abstract: A gene editing system of Candida viswanathii includes a Candida viswanathii, a first gene editing fragment and a second gene editing fragment. The first gene editing fragment successively includes a first homology arm and a screening gene. The second gene editing fragment is connected to a C-terminus of the first gene editing fragment and includes a second homology arm, a Cas9 expression cassette and a sgRNA cassette. The Cas9 expression cassette successively includes a Cas9 promoter, a Cas9 gene and three nuclear localization sequences. The sgRNA cassette successively includes a sgRNA promoter, a first ribozyme, a targeting sequence, a scaffold and a second ribozyme. The first gene editing fragment and the second gene editing fragment are constructed as a linear fragment for gene editing of a chromosome of the Candida viswanathii.

Abstract: An ethylene-vinyl alcohol copolymer (EVOH) resin particle composition, an EVOH film formed therefrom, and a multilayer structure containing the same. The EVOH resin particle composition includes: a first EVOH resin particle having a surface valley void volume (Vvv) of 0.00003˜2 ?m3/?m2; and a second EVOH resin particle having a surface valley void volume (Vvv) of 0.00005˜10 ?m3/?m2. This can improve thickness uniformity, oxygen transmission rate and stretchability of the film made by the EVOH resin particle compositions.

Abstract: A polymer film is provided. The polymer film sequentially includes a first layer, a second layer and a third layer, where the two surfaces of the second layer are in contact with the first layer and the third layer, respectively. The first layer has a first melt index, the second layer has a second melt index, and the third layer has a third melt index. The second melt index ranges from 3.5 g/10 min to 10.0 g/10 min, the first melt index and the third melt index are independently lower than 3.5 g/10 min, and the difference between the second melt index and the first melt index, as well as the difference between the second melt index and the third melt index independently range from 0.2 g/10 min to 8.5 g/10 min.

Abstract: A polymer film and laminated glass manufactured using the same are provided. The polymer film has a first surface and a second surface, wherein the first surface has a root mean square gradient (Sdq) ranging from 1.5 to 3 and a root mean square height (Sq) ranging from 8 ?m to 20 ?m, wherein the Sdq and Sq are defined in accordance with ISO 25178-2:2012.

Abstract: A polymer film and laminated glass manufactured using the same are provided. The polymer film has a first surface and a second surface, wherein the first surface has a root mean square gradient (Sdq) ranging from 0.1 to 1.5 and a root mean square height (Sq) ranging from 1 ?m to 15 ?m, wherein Sdq and Sq are defined in accordance with ISO 25178-2:2012.

Abstract: An ethylene-vinyl alcohol copolymer (EVOH) resin particle composition, an EVOH film formed therefrom, and a multilayer structure containing the same. The EVOH resin particle composition includes: a first EVOH resin particle having a surface core void volume (Vvc) of 0.002˜14 ?m3/?m2; and a second EVOH resin particle having a surface core void volume (Vvc) of 0.010˜48 ?m3/?m2. This can improve the thermoformability of EVOH compositions.

Abstract: Provided are an electrolytic copper foil, an electrode and a lithium-ion cell comprising the same. The electrolytic copper foil has a first surface and a second surface, which are analyzed by grazing incidence X-ray diffraction (GIXRD), and each have an intensity of a characteristic peak of (111) plane denoted by I1, an intensity of a characteristic peak of (200) plane denoted by I2, an intensity of a characteristic peak of (220) plane denoted by I3, an FWHM of the characteristic peak of (111) plane denoted by W1, and an FWHM of the characteristic peak of (200) plane denoted by W2. The first and second surfaces each have a ratio of (I1+I2)/(I1+I2+I3) of 0.83 or more and a value of (W1+W2) of 0.80° or less. By controlling the features, it can improve the corrosion resistance of the electrolytic copper foil and further increase the safety of the lithium-ion cell.

Abstract: Electrodeposited copper foils are described having improved thermal properties. The copper foils include a drum side and deposited side where both sides have a roughness Rz lower than 2 ?m and wherein, when the electrodeposited copper foil is subjected to a thermal gravimetric analysis (TGA), the electrodeposited copper foil exhibits a primary weight increase of 105 wt. % when a primary temperature (T105 wt %) is reached during the TGA, wherein the T105 wt % is in a range of 350° C. to 501° C. The TGA characterization comprises heating at a rate of 5° C./min and an air flow at a rate of 95 mL/min. Ultrasonic welding of the copper foils to nickel foils provides an excellent weld with low detachment providing a good mechanical and electrical contact for applications such as in lithium-ion secondary batteries.

Abstract: A surface-treated copper foil includes a bulk copper foil and a first surface treatment layer. The first surface treatment layer is disposed on a first surface of the bulk copper foil and includes a roughening layer, where the outermost surface of the first surface treatment layer is a treating surface of the surface-treated copper foil. The material volume (Vm) of the treating surface is 0.06 to 1.45 ?m3/?m2, and the five-point peak height (S5p) of the treating surface is 0.15 to 2.00 ?m.

Abstract: Provided are an electrolytic copper foil, an electrode and a lithium-ion cell comprising the same. The electrolytic copper foil has a first surface and a second surface, which are analyzed by grazing incidence X-ray diffraction (GIXRD), and each have an intensity of a characteristic peak of (111) plane denoted by I1, an intensity of a characteristic peak of (200) plane denoted by I2, an intensity of a characteristic peak of (220) plane denoted by I3, an FWHM of the characteristic peak of (111) plane denoted by W1, and an FWHM of the characteristic peak of (200) plane denoted by W2. The first and second surfaces each have a ratio of (I1+I2)/(I1+I2+I3) of 0.83 or more and a value of (W1+W2) of 0.80° or less. By controlling the features, it can improve the corrosion resistance of the electrolytic copper foil and further increase the safety of the lithium-ion cell.

Abstract: A titanium catalyst and a synthesizing method of polyester resins are provided in the present disclosure. The titanium catalyst has a chemical structure represented by Formula (I), Formula (II) or Formula (III). The symbols shown in the Formula (I), the Formula (II) or the Formula (III) are defined in the description. The synthesizing method of polyester resins includes providing the titanium catalyst, performing a feeding step, performing a heating and pressurizing step and performing a heating and vacuuming step. The titanium catalyst and a heat stabilizer are added into an autoclave before the feeding step or before the heating and vacuuming step.

Abstract: A surface-treated copper foil includes a treated surface, where the peak extreme height (Sxp) of the treating surface is 0.4 to 3.0 ?m. When the surface-treated copper foil is heated at a temperature of 200° C. for 1 hour, the ratio of the integrated intensity of diffraction peak of (111) plane to the sum of the integrated intensities of diffraction peaks of (111) plane, (200) plane, and (220) plane of the treating surface is at least 60%.

Abstract: Polymer film and laminated glass manufactured using the polymer film are provided. The polymer film has a first surface and a second surface, wherein the first surface has a peak material volume (Vmp) at a material ratio of 10% ranging from 0.15 ?m3/?m2 to 1.20 ?m3/?m2 and a kurtosis (Sku) ranging from 0.73 to 10.02, wherein the material ratio, peak material volume, and kurtosis are defined in accordance with ISO 25178-2:2012.

Abstract: A polymer film and laminated glass manufactured using the polymer film. The polymer film includes a first and second layer, and a third layer disposed between the first and second layers, and the two surfaces of the third layer are in contact with the first and second layers, respectively. The surface of the first layer that is not in contact with the third layer is a first surface, and the surface of the second layer not in contact with the third layer is a second surface, wherein the first surface has a void volume (Vv) value at a material ratio of 10% ranging from 3 ?m3/?m2 to 30 ?m3/?m2 and a dale void volume (Vvv) at a material ratio of 80% less than 2 ?m3/?m2, and the ratio of the maximum pit height (Sv) of the first surface to the thickness of the first layer is 0.2 or less.

Abstract: A composite solid base catalyst, a manufacturing method thereof and a manufacturing method of glycidol are provided. The composite solid base catalyst includes an aluminum carrier and a plurality of calcium particles. The plurality of calcium particles are supported by the aluminum carrier. Beta basic sites of the composite solid base catalyst are 0.58 mmol/g-3.89 mmol/g.

Abstract: Electrodeposited copper foils having adequate puncture strength to withstand both pressure application during consolidation with negative electrode active materials during manufacture, as well as expansion/contraction during repeated charge/discharging cycles when used in a rechargeable secondary battery are described. These copper foils find specific utility as current collectors in rechargeable secondary batteries, particularly in lithium secondary battery with high capacity. Methods of making the copper foils, methods of producing negative electrode for use in lithium secondary battery and lithium secondary battery of high capacity are also described.

Abstract: Provided are an electrolytic copper foil, an electrode and a lithium-ion cell comprising the same. The electrolytic copper foil has a first surface and a second surface opposite the first surface. An absolute difference of the FWHM of the characteristic peaks of (111) planes of the first surface and the second surface analyzed by GIXRD is less than 0.14, the first and the second surfaces each have a nanoindentation hardness of 0.3 GPa to 3.0 GPa, and the yield strength of the electrolytic copper foil is more than 230 MPa. By controlling the absolute difference of the FWHM of the characteristic peaks of (111) plane of these two surfaces, the nanoindentation hardness of these two surfaces and the yield strength, the electrolytic copper foil can have improved tolerance to the repeated charging and discharging and reduced warpage, thereby improving the yield rate and value of the lithium-ion cell.

Abstract: The present disclosure provides a method for fabricating a nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst. The method includes a solution preparation step, an aerosolizing step, a drying step, a first calcining step, a reducing gas adding step, and a second calcining step. The solution preparation step is provided for preparing a precursor solution. The aerosolizing step is performed for obtaining an atomized droplet. The drying step is performed for converting to a precursor crystallite. The first calcining step is performed for obtaining an oxidation state catalyst. The reducing gas adding step is performed for adding hydrogen. The second calcining step is performed for obtaining the nickel-cerium dioxide-aluminum oxide hybrid nanoparticle cluster catalyst.

Abstract: Provided are hard carbon beads, their preparation method, and an energy storage device comprising the same. Microwave heating is used to synthesize cross-linked phenolic formaldehyde for reducing energy consumption and controlling the crosslinking density of cured phenolic formaldehyde. The problems caused by high temperature heating and hydrothermal process for curing resin can be solved by the instant disclosure, which can increase the economic values of electrode and energy storage device comprising the hard carbon beads.